1. China gives first emergency use approval for a #Covid19 vaccine, allowing CanSino& #39;s adenovirus vectored vaccine to be used by the military. There is already evidence this vaccine may not work that well in some people. (see next tweet) https://www.reuters.com/article/us-health-coronavirus-china-vaccine-idUSKBN2400DZ">https://www.reuters.com/article/u...

2. The Phase 1 trial of the CanSino #Covid19 vaccine showed a problem experts expected was indeed an issue with this vaccine. A lot of people have pre-existing immunity to the adenovirus used as the backbone of this vaccine. They don& #39;t get as good a take. https://www.statnews.com/2020/05/22/early-study-of-covid-19-vaccine-developed-in-china-sees-mixed-results/">https://www.statnews.com/2020/05/2...

3. Former @US_FDA head @ScottGottliebMD assesses the thought process behind China& #39;s decision to deploy the CanSino #Covid19 vaccine in the military based on data to data: Some protection is better than none. https://twitter.com/ScottGottliebMD/status/1277557432374476812?s=20">https://twitter.com/ScottGott...

4. Another thought on why use China would use the CanSino #Covid19 vaccine in the military from @dho — it could serve as a priming vaccine, followed up by a booster with another vaccine later. https://twitter.com/dho/status/1277593535789793280?s=20">https://twitter.com/dho/statu...

5. And another take, from @mplngr, on why China is green-lighting emergency use of the CanSino #Covid19 vaccine in the military. A Phase 3 by any other name.... https://twitter.com/mplngr/status/1277615767475957760?s=20">https://twitter.com/mplngr/st...